@article{10_4153_CJM_1967_016_3,
     author = {Ingram, W. T.},
     title = {Concerning {Non-Planar} {Circle-Like} {Continua}},
     journal = {Canadian journal of mathematics},
     pages = {242--250},
     year = {1967},
     volume = {19},
     number = {1},
     doi = {10.4153/CJM-1967-016-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-016-3/}
}